Re: [sr-dev] [kamailio/kamailio] Segmentation fault Dialog RPC (#1482)
Hello,
this is another core dump..
Thanks
```
Program terminated with signal 11, Segmentation fault.
#0 0x7fd2cfd3ae07 in internal_rpc_print_dlg (rpc=0x7fd2cf6769c0,
c=0x7fd2cf676960, dlg=0x7fd2d0d380a0, with_context=0) at dialog.c:1548
1548if (pl->profile->has_value) {
Missing separate debuginfos, use: debuginfo-install glibc-2.12-1.192.el6.x86_64
keyutils-libs-1.4-5.el6.x86_64 krb5-libs-1.10.3-57.el6.x86_64
libcom_err-1.41.12-22.el6.x86_64 libselinux-2.0.94-7.el6.x86_64
libxml2-2.7.6-21.el6_8.1.x86_64 lua-5.1.4-4.1.el6.x86_64
mysql-libs-5.1.73-7.el6.x86_64 nss-softokn-freebl-3.14.3-23.3.el6_8.x86_64
openssl-1.0.1e-48.el6_8.3.x86_64 zlib-1.2.3-29.el6.x86_64
(gdb) bt full
#0 0x7fd2cfd3ae07 in internal_rpc_print_dlg (rpc=0x7fd2cf6769c0,
c=0x7fd2cf676960, dlg=0x7fd2d0d380a0, with_context=0) at dialog.c:1548
rpc_cb = {rpc = 0x1e4e8c0, c = 0x400}
h = 0x152fe50
sh = 0x152f180
ssh = 0x152f110
pl = 0x7fd2d14571a0
var = 0x0
__FUNCTION__ = "internal_rpc_print_dlg"
#1 0x7fd2cfd3b7b3 in internal_rpc_profile_print_dlgs (rpc=0x7fd2cf6769c0,
c=0x7fd2cf676960, profile_name=0x7ffde7de9130, value=0x0) at dialog.c:1681
profile = 0x7fd2d0284fa8
ph = 0x7fd2d1b25b60
i = 14
#2 0x7fd2cfd3be64 in rpc_profile_print_dlgs (rpc=0x7fd2cf6769c0,
c=0x7fd2cf676960) at dialog.c:1785
profile_name = {s = 0x1e4e8a0 "outbound", len = 8}
value = {s = 0x0, len = 0}
```
```
(gdb) p *pl
$1 = {hash_linker = {value = {s = 0x7fd2d14571b0 "{ \"event\": \"FAILED\",
\"time\": \"1521473420\", \"uuid\": \"M+15214734208824300#\", \"callid\":
\"sbcthlnq6axdnailibhbziytlg9qwpsp...@gpii.f55iv.xf5.d-f8gxyw.oy\"}\n",
len = 151}, dlg = 0x746e65766522207b, puid = "\": \"FAILED\", \"time\":
\"1521473420\", \"uuid", puid_len = 572537378, expires = 3472895657230217522,
flags = 875706424, linker = 0x6c6c616322202c22,
next = 0x627322203a226469, prev = 0x6136514e4c687463, hash = 1634616440},
next = 0x476c5479497a4248, profile = 0x6d6f707370577139}
```
```
(gdb) p *pl->profile
Cannot access memory at address 0x6d6f707370577139
```
```
(gdb) p *dlg
$2 = {ref = 3, next = 0x0, prev = 0x7fd2d1854678, h_id = 3929, h_entry = 3918,
state = 5, lifetime = 5500, init_ts = 1521473406, start_ts = 1521473434, end_ts
= 0, dflags = 647, iflags = 1, sflags = 0, toroute = 8,
toroute_name = {s = 0x7fd2d1511360 "DLG_TIMEOUT_ROUTE", len = 17}, from_rr_nb
= 0, tl = {next = 0x7fd2d14fb120, prev = 0x7fd2d5594530, timeout = 37885875},
callid = {
s = 0x7fd2d0d38208
"26474f4b1c34790a16b3316a2d74bed2@xxsip:+yyy@xxsip:yyy@xxsip:yyy@xx1\020",
len = 46}, from_uri = {
s = 0x7fd2d0d38236
"sip:+yyy@xxsip:yyy@xxsip:yyy@xx1.2311\020", len = 30},
to_uri = {
s = 0x7fd2d0d38254 "sip:yyy@xxsip:yyy@xx1.2311\020", len =
35}, req_uri = {s = 0x7fd2d0d38277 "sip:yyy@xx1.2311\020", len = 35},
tag = {{
s = 0x7fd2d1612a50 "as5b06478aT_ROUTE", len = 10}, {s = 0x7fd2d0b186b0
"as25b2cb94tor", len = 10}}, cseq = {{s = 0x7fd2d2146518 "102kur", len = 3}, {s
= 0x7fd2d15ed040 "0erkur", len = 1}}, route_set = {{s = 0x0,
len = 0}, {s = 0x0, len = 0}}, contact = {{s = 0x7fd2d1ec7de0
"sip:+x@xx:5061", len = 35}, {s = 0x7fd2d1ab8838
"sip:@xx\370\004", len = 32}}, bind_addr = {0x7fd2f4d3d0b0,
0x7fd2f4d3d0b0}, cbs = {first = 0x0, types = 0}, profile_links =
0x7fd2d0dcbfe0, vars = 0x7fd2d2d6edb0}
```
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[sr-dev] [kamailio/kamailio] Segmentation fault Dialog RPC (#1482)
### Description
Hi all,
i’m using kamailio 4.4.6 , and when I call the rpc dialog “profile_list_dlgs”
, sometimes I have a segmentation fault.
Can you help me to understand why it happened ?
Thanks for your support
### Troubleshooting
Reproduction
Debugging Data
```
This is the dump:
Program terminated with signal 11, Segmentation fault.
#0 0x7f49ee062e07 in internal_rpc_print_dlg (rpc=0x7f49ed99e9c0,
c=0x7f49ed99e960, dlg=0x7f49ef89ba38, with_context=0) at dialog.c:1548
1548if (pl->profile->has_value) {
Missing separate debuginfos, use: debuginfo-install glibc-2.12-1.192.el6.x86_64
keyutils-libs-1.4-5.el6.x86_64 krb5-libs-1.10.3-57.el6.x86_64
libcom_err-1.41.12-22.el6.x86_64 libselinux-2.0.94-7.el6.x86_64
libxml2-2.7.6-21.el6_8.1.x86_64 lua-5.1.4-4.1.el6.x86_64
mysql-libs-5.1.73-7.el6.x86_64 nss-softokn-freebl-3.14.3-23.3.el6_8.x86_64
openssl-1.0.1e-48.el6_8.3.x86_64 zlib-1.2.3-29.el6.x86_64
(gdb) bt full
#0 0x7f49ee062e07 in internal_rpc_print_dlg (rpc=0x7f49ed99e9c0,
c=0x7f49ed99e960, dlg=0x7f49ef89ba38, with_context=0) at dialog.c:1548
rpc_cb = {rpc = 0x3031ea0, c = 0x400}
h = 0x2d21e60
sh = 0x2d1db70
ssh = 0x2d20050
pl = 0x7f49ef18c588
var = 0x0
__FUNCTION__ = "internal_rpc_print_dlg"
#1 0x7f49ee0637b3 in internal_rpc_profile_print_dlgs (rpc=0x7f49ed99e9c0,
c=0x7f49ed99e960, profile_name=0x7fff65fcb1a0, value=0x0)
at dialog.c:1681
profile = 0x7f49ee5aca88
ph = 0x7f49eeb5b670
i = 2
#2 0x7f49ee063e64 in rpc_profile_print_dlgs (rpc=0x7f49ed99e9c0,
c=0x7f49ed99e960) at dialog.c:1785
profile_name = {s = 0x3031e80 "outbound", len = 8}
value = {s = 0x0, len = 0}
#3 0x7f49ed78960f in jsonrpc_dispatch (msg=0x7fff65fcc5a0, s1=0x0, s2=0x0)
at jsonrpc-s_mod.c:1098
rpce = 0x7f4a13212d30
ctx = 0x7f49ed99e960
ret = 0
nj = 0x3031ab0
val = {s = 0x3032030 "dlg.profile_list", len = 16}
__FUNCTION__ = "jsonrpc_dispatch"
#4 0x0041f75d in do_action (h=0x7fff65fcc4c0, a=0x7f4a13189e28,
msg=0x7fff65fcc5a0) at action.c:1054
```
Log Messages
```
the result to the commands p *pl and p *pl->profile
#0 0x7f49ee062e07 in internal_rpc_print_dlg (rpc=0x7f49ed99e9c0,
c=0x7f49ed99e960, dlg=0x7f49ef89ba38, with_context=0) at dialog.c:1548
1548if (pl->profile->has_value) {
Missing separate debuginfos, use: debuginfo-install glibc-2.12-1.192.el6.x86_64
keyutils-libs-1.4-5.el6.x86_64 krb5-libs-1.10.3-57.el6.x86_64
libcom_err-1.41.12-22.el6.x86_64 libselinux-2.0.94-7.el6.x86_64
libxml2-2.7.6-21.el6_8.1.x86_64 lua-5.1.4-4.1.el6.x86_64
mysql-libs-5.1.73-7.el6.x86_64 nss-softokn-freebl-3.14.3-23.3.el6_8.x86_64
openssl-1.0.1e-48.el6_8.3.x86_64 zlib-1.2.3-29.el6.x86_64
(gdb) p *pl
$1 = {hash_linker = {value = {s = 0x113ef180024 , len = -277948848}, dlg = 0x7f49ef18c5b8,
puid =
"\n\000\000\000-5a9\303\305\030\357I\177\000\000S\000\000\000\060\062\060\063in_routing\000CR=6@",
puid_len = 1598313555,
expires = 3977578104333875508, flags = 876097589, linker =
0x422d30263936313d, next = 0x3d50542c36343d4f, prev = 0x52542c3634303730,
hash = 1028345429}, next = 0x50542c36343d4f42, profile = 0x542c36343037303d}
(gdb) p *pl->profile
Cannot access memory at address 0x542c36343037303d
```
SIP Traffic
```
(paste your sip traffic here)
```
### Possible Solutions
### Additional Information
* **Kamailio Version** - output of `kamailio -v`
```
(paste your output here)
```
* **Operating System**:
```
(paste your output here)
```
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